Twentieth century hand-book for steam engineers and electricians with questions and answers; a practical non-technical treatise .. (1913)
Swingle, Calvin Franklin, 1846- [from old catalog] · Chicago, F. J. Drake & company · leaf 790
system, comprises a source of electricalcurrent and a spark plug, inserted through the walls of the Westinghouse Gas Engine 775 combustion chamber. This interrupts the current at theproper moment^ causing an electrical discharge across theopening in the circuity the heat from which starts… … FiG. 330 IGNITER side by a trip. This igniter mechanism interrupts the cur-rent flow only at the beginning of each power stroke. Theopposing contact points are protected by tips of platinum,or other heat resisting metal. Starting.—While small gas motors may readily be startedby hand with a turn of…